Pennsylvania, Eep. Dept. 

 Agria., Uarrishurg 



Peterhead, Trans. Buahan 

 P. CI. 



Petermanns geogr. Mitt., 

 Gotha 



Pharm. Centralhalle, Dres- 

 den 



Pharm. J., London... 



Pharm. Weehhl., Amster- 

 dam 



Pharm. Ztg, Berlin 



Philadelphia, Pa., Ent. 

 News Acad. Nat. Sci., 

 Amer. Ent. Soc. 



Philadelphia, Pa., Proa. 

 Aead. Nat. Sci. 



Philadelphia, Pa., Proe. 

 Amer. Phil. Soc. 



Pittonia, Washington, D.C. 



Plant World, Washington, 



D.C. 

 Plan, ForschBer.hiol.Stat. 



Pomol. Monatshefte, Stutt- 

 gart 



Pop. Sci. Mon., Neio York, 

 N.Y. 



Poriici, Ann. Scuola sup. 

 agric. 



Prag, Knih. Cesh. Spol. 

 Zemev. 



Prag, liozpr. Ceski Ah. 

 Frant. Jos. 



Annual Keport of the Pennsylvania 

 Department of Agriculture. Harris- 

 burg, Pa. 



Transactions of the Buchan Field Club, 

 Peterhead. 



Petermanns geographische Mittheilungen 

 aus Perthes' geographischer Anstalt. 

 Gotha. [monatl.] Nebst Erganzungs- 

 Hetten. 



Pharmaceutische Centralhalle fiir 

 Deutschland, lirsg. v. Schneider. 

 Dresden, Berlin, [wbch.] 



Pharmaceutical Journal, London 



Pharmaceutisch Weekblad voor Neder- 

 land, Amsterdam, 8vo. 



Pharmaceutische Zeitung, red. v. Bott- 

 ger. Berlin. [^ woch.] 



Entomological News and Proceedings 

 of the Entomological Section of the 

 Academy of Natural Sciences of Phila- 

 delphia. American Entomological 

 Society, Philadelphia, Pa. 



Proceedings of the Academy of Natural 

 Sciences of Philadelphia, Philadelphia, 

 Pa. 



Proceedings of the American Philo- 

 sophical Society, Philadelphia, Pa. 



Pittonia. Catholic University of 

 America, Washington, D.C. 



The Plant World, Washington, D.C. . . . 



Forschungsberichte aus der biologischen 

 Station zu Plon, lirsg. v. Zacharias. 

 Stuttgart. [1 H. jahrl.] 



Pomologische Monatshefte. AUgemeine 

 deutsche Obstbanzeitung, hrsg. v. 

 Lucas. Stuttgart, [monatl.] 



Popular Science Monthly, New York, 

 N.Y. 



Annali della Scuola superiore di agricol- 

 tura. Portici. 



Knihovna Ceske Spolecnoati Zem6v6dne 

 V Praze. [Bibliothek der Cechischeu 

 G esellschaft fiir Erdkunde in Prag.] 



Eozpravy Ceske Akademie Cisafe Fran- 

 tiika Josefa pro V6dy, Slovesnost a 

 Um6ni. Praha. [Abhandlungen der 

 Tschechischen Kaiser Franz Josefs- 

 Akademie fiir Wissenschaft, Lite- 

 ratur uad Kunst]. [zwanglos]. 



588 U.S. 



369 U.K. 

 901 Gor. 



908 Ger. 



371 U.K. 

 45 Hoi. 



910 Ger. 



366 U.S. 



371 U.S. 



372 U.S. 



387 U.S. 



390 U.S. 

 922 Ger. 



925 Ger. 



392 U.S. 

 152 It. 

 516 Aus. 



302 Aus. 



